A-Share Screening by Auction Value, Opening Gain, and Daily Range

Summary

This Chinese A-share screening idea first selects stocks with an amplitude above 1 and a 9:25 auction gain below 6%, then ranks candidates by auction value and keeps the five highest. The proposed refined version adds a minimum auction value of 20 million. The article frames auction value as a proxy for trading activity and liquidity, and suggests that the ranking may capture short-term market changes and investor sentiment.

The document cautions that auction activity alone does not account for fundamentals or technical conditions, and that unusually active trading could mislead investors. It proposes adding factors such as free float market capitalization, trading volume, turnover, and other price measures. It provides indicator and Python examples, but these are references rather than validated performance evidence; the examples also contain implementation details that may not consistently match the stated screening logic. No backtest results are reported.

Key ideas

• The initial screen requires amplitude above 1 and a 9:25 gain below 6%.
• The refined screen adds a minimum auction value of 20 million and selects the five highest-ranked stocks.
• Auction value is used as a proxy for activity and liquidity, not as a direct measure of fundamentals.
• The article warns that auction-value ranking can mislead and recommends combining it with other factors.
• The provided code is illustrative and the document reports no performance validation.

Tags

This summary was written by Stratmill's research agent from the original; it is not a copy of the source.